CA1326066C - Appareil servant a determiner la quantite de substance contenue dans un reservoir, et methode connexe - Google Patents

Appareil servant a determiner la quantite de substance contenue dans un reservoir, et methode connexe

Info

Publication number
CA1326066C
CA1326066C CA000549779A CA549779A CA1326066C CA 1326066 C CA1326066 C CA 1326066C CA 000549779 A CA000549779 A CA 000549779A CA 549779 A CA549779 A CA 549779A CA 1326066 C CA1326066 C CA 1326066C
Authority
CA
Canada
Prior art keywords
electrodes
substance
vessel
reference point
indicating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA000549779A
Other languages
English (en)
Inventor
Robert Lewis Davies
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parke Davis and Co Ltd
Original Assignee
Parke Davis and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Parke Davis and Co Ltd filed Critical Parke Davis and Co Ltd
Application granted granted Critical
Publication of CA1326066C publication Critical patent/CA1326066C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/245—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid with a probe moved by an auxiliary power, e.g. meter, to follow automatically the level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/908—Material level detection, e.g. liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CA000549779A 1986-11-01 1987-10-20 Appareil servant a determiner la quantite de substance contenue dans un reservoir, et methode connexe Expired - Fee Related CA1326066C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8626169 1986-11-01
GB868626169A GB8626169D0 (en) 1986-11-01 1986-11-01 Determining amount of substance in vessel

Publications (1)

Publication Number Publication Date
CA1326066C true CA1326066C (fr) 1994-01-11

Family

ID=10606688

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000549779A Expired - Fee Related CA1326066C (fr) 1986-11-01 1987-10-20 Appareil servant a determiner la quantite de substance contenue dans un reservoir, et methode connexe

Country Status (3)

Country Link
US (1) US4841770A (fr)
CA (1) CA1326066C (fr)
GB (1) GB8626169D0 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737607A1 (de) * 1987-11-05 1989-05-24 Hoefelmayr Bio Melktech Verfahren und vorrichtung zur durchfuehrung von messungen an einer schaeumenden fluessigkeit
US4928525A (en) * 1989-03-02 1990-05-29 Aderholt Gary L Sonic tank inventory control system and method
GB8926223D0 (en) * 1989-11-20 1990-01-10 Solinst Canada Ltd Water level probe
US5085077A (en) * 1991-01-07 1992-02-04 Capscan Sales Incorporate Ultrasonic liquid measuring device for use in storage tanks containing liquids having a non-uniform vapor density
US5739504A (en) * 1995-07-28 1998-04-14 C. Cowles & Company Control system for boiler and associated burner
US6390027B1 (en) 2000-05-31 2002-05-21 C. Cowles & Company Cycle control system for boiler and associated burner
US6688329B2 (en) * 2001-07-06 2004-02-10 C. Cowles & Company Water feeder controller for boiler
KR101029736B1 (ko) * 2008-05-16 2011-04-21 신수영 포인트레벨센서와 연속레벨센서를 이용한 레벨측정방법 및그 시스템
CA2797632C (fr) 2010-04-30 2018-05-08 Agellis Group Ab Mesures dans des cuves metallurgiques
GB201608280D0 (en) * 2016-05-11 2016-06-22 Heineken Uk Ltd Connector
US11428407B2 (en) 2018-09-26 2022-08-30 Cowles Operating Company Combustion air proving apparatus with burner cut-off capability and method of performing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2269737A (en) * 1942-01-13 Measuring device
US2394220A (en) * 1944-05-19 1946-02-05 Phillips Petroleum Co Level control and indicator of interface between acid and hydrocarbon layers
US2757534A (en) * 1953-09-15 1956-08-07 Cabot Godfrey L Inc Measurement of volumes
US3335334A (en) * 1963-07-08 1967-08-08 Molson Breweries Ltd Liquid level sensing device
US3909948A (en) * 1974-02-04 1975-10-07 Universal Oil Prod Co Electronic water level indicator
US4123753A (en) * 1976-09-29 1978-10-31 Marine Moisture Control Company, Inc. Ullage measuring device
US4470299A (en) * 1982-01-04 1984-09-11 Fischer & Porter Company Ultrasonic liquid level meter
US4663614A (en) * 1985-08-05 1987-05-05 Rauchwerger George P Hydrocarbon detector system

Also Published As

Publication number Publication date
US4841770A (en) 1989-06-27
GB8626169D0 (en) 1986-12-03

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Legal Events

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MKLA Lapsed